Revolving shelf



FIG. 1 is a right side perspective view of a revolving shelf;

FIG. 2 is a left side perspective view thereof;

FIG. 3 a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The broken lines shown in the drawings depict portions of the revolving shelf that form no part of the claimed design. 

CLAIM The ornamental design for a revolving shelf, as shown and described. 